Astronomers observe Jupiter's new scar, a dark bruise about the size of the Pacific Ocean. The impact is believed to have been caused by a comet or asteroid, with reflective particles propelled high into the stratosphere.
Numerical simulations show that comet-like objects in a disk outside the solar system were scattered into the outer asteroid belt during a violent phase of planetary evolution. The models suggest that dramatic upheaval occurred in the solar system around 3.9 billion years ago, affecting nearly every nook and cranny.
Researchers believe that Galileo's notebooks from 1613 may reveal evidence of his discovery of a new planet, which is now known as Neptune. The planet was observed by Galileo as a faint star near Jupiter and moved relative to an actual nearby star.
Researchers detect sodium salts in Enceladus plume, confirming presence of salty ocean beneath moon's surface. The concentration of sodium chloride is estimated to be similar to Earth's oceans, with a concentration of 0.1-0.3 moles per kilogram of water.
UC Berkeley researchers have found that Betelgeuse, the bright reddish star in the constellation Orion, has steadily shrunk over the past 15 years. The star's diameter has decreased by more than 15% since 1993, a change that is striking to observe.
Researchers at Scripps Florida have created a faster method to distinguish between different infectious prion strains, which can cause diseases in animals and humans. The new approach reduces the time lag for identification from six months to four months, allowing scientists to accelerate research and better understand disease risks.
Astronomers have devised a technique to identify liquid water on exoplanets similar to Earth, which could indicate potential for life. The method uses observations of light intensity from Earth in visible light bands, revealing dominant colors that suggest land masses and oceans.
Astronomers have found evidence of planet destruction caused by a star's tides, with some planets falling into their parent stars. The research uses computer models and observations to show that the tidal forces can misshape the star's surface, leading to the planet's demise.
Researchers at Scripps Florida's Department of Cancer Biology have won multiple grants to study Notch3, ornithine decarboxylase, and vinculin, focusing on immune system regeneration and cancer prevention. This funding supports studies on gene expression, enzyme regulation, and cell-cell adhesion complexes.
Florida Institute of Technology professors Ming Zhang and Hamid Rassoul receive a $411,000 NASA grant to investigate the physics of particle transport in the distant heliosphere. The IBEX spacecraft mission will observe particles from beyond Pluto's orbit, providing insights into cosmic rays and future human space travel.
Scientists discovered dynamic microbial communities in deep-sea mud volcanoes and brine pools with harsh conditions, supporting life processes on early Earth, Mars, and moons like Jupiter's Europa. These findings provide new insights into microbial adaptation and the potential for life beyond Earth.
Researchers found that reducing high sensitivity c-reactive protein (hsCRP) levels and LDL cholesterol significantly reduces vascular events. Achieving both targets resulted in the largest reduction in cardiovascular risk, highlighting the importance of addressing inflammation in statin therapy.
Researchers estimate that around 6.5 million older adults with low cholesterol and high C-reactive protein levels might benefit from statin therapy to prevent cardiovascular events. Expanding prescribing criteria to include CRP levels could potentially prevent thousands of heart attacks, strokes, and deaths each year.
A team of CU-Boulder students and professionals will operate the Kepler spacecraft from launch, monitoring onboard systems and uploading commands twice a week. The mission aims to identify small, rocky planets in habitable zones, fueling growing excitement among space scientists.
Four NASA Goddard scientists, John Connerney, Thomas Moore, Richard Ray, and Compton Tucker, have been named AGU Fellows for their outstanding work in the field. They were recognized for their research contributions to planetary science, geophysics, and space plasmas.
The European team discovered the smallest transiting extrasolar planet, CoRoT-Exo-7b, orbiting a star slightly smaller than the Sun. The planet's radius is about twice that of Earth and orbits its host star in just 20 hours.
Researchers observed the intense heating of HD 80606b as it swung close to its star, providing clues to its atmospheric properties. The data enabled the creation of realistic images of the planet using computer simulations.
Scientists at Lawrence Livermore National Laboratory and the University of Illinois have determined the temperature at which helium becomes insoluble in dense metallic hydrogen. This finding has significant implications for models of the interior structure and evolution of Jovian planets, including Saturn and Jupiter.
Two independent groups successfully detected the thermal emissions of exoplanets OGLE-TR-56b and TrES-3b using ground-based telescopes. The detections are significant because they will continue to study hot Jupiters beyond the capabilities of the soon-to-be-retired Spitzer telescope.
A recent analysis estimates that over 44.7 million older Americans may benefit from statin therapy, highlighting a significant gap in current treatment guidelines. The study found that nearly 80% of this segment of the population could potentially be recommended statin therapy if new criteria are adopted.
A new study found that gas giants like Jupiter must form extremely fast, in less than 5 million years, or they won't form at all. This rapid growth spurt is necessary because the material from which they formed probably disappeared within a few million years.
Researchers propose that Jupiter's gravitational pull creates powerful waves in Europa's ocean, generating significant heat energy. This could be a dominant heat source, potentially supporting life without sunlight.
Astronomers have discovered carbon dioxide on a Jupiter-sized planet orbiting another star, HD 189733b. The detection is significant as it could be a sign of biological activity, and further studies will focus on characterizing the planet's atmosphere to determine its habitability.
Astronomers discovered strong evidence that brown dwarfs form like stars using the Submillimeter Array. Brown dwarfs are on the line between planets and stars with masses between 15 and 75 Jupiters.
Researchers found that statin use is linked to rare eye disorders in some patients, including double vision, drooping eyelids, and loss of eye range of motion. A new system, the ocular trauma score, helps predict visual recovery for soldiers with combat eye injuries.
Scientists found that vents on Enceladus channel water vapor from a warm, probably liquid source to the surface at supersonic speeds. This supports a theory that tidal heating causes geysers and provides implications for life in the solar system.
A new simulation by UC Berkeley geophysicist Burkhard Militzer predicts Jupiter's rocky core is 14-18 times Earth's mass, surrounded by layers of metals, rocks, and icy materials. The result challenges previous models and provides a more precise physical description of Jupiter's interior.
A team of astronomers discovered a new planet closely orbiting the giant star HD 102272, nearly six times the mass of Jupiter. The planet's location near the star raises questions about how aging stars influence nearby planets.
Researchers have captured the first-ever images of three giant planets orbiting the star HR 8799. The planets, each about ten times the mass of Jupiter, have complex atmospheres with dusty clouds that trap and re-radiate heat.
The discovery reveals the planet's massive size and potential for a vast ring system. The images taken with Hubble Space Telescope provide direct proof of the planet's existence and orbit around star Fomalhaut.
Gemini Observatory's groundbreaking discovery reveals two planets orbiting a young, massive star called HR 8799. The system consists of three planets, including the 'first family' member, which are still glowing from heat released as they contracted, and are about seven and ten times the mass of Jupiter.
A team of astronomers has discovered three planets in orbit around the young star HR 8799, using advanced computer processing techniques to separate them from the star's light. The planets are found to possess complex atmospheres with dusty clouds partially trapping and re-radiating escaping heat.
NASA's Hubble Space Telescope has directly observed a planet circling another star, Fomalhaut b. The exoplanet orbits Fomalhaut at a distance of 10.7 billion miles, 10 times that of Saturn from the sun.
The new solar system orbits a dusty young star named HR8799, with three planets roughly 10 times the mass of Jupiter. The discovery allows scientists to study planets as individuals, providing insights into their atmospheres and composition.
High levels of hs-CRP increase the risk of cardiovascular disease, which can be reduced by up to 44% with statin medication. The study included 17,802 patients from 27 countries and demonstrated a significant decrease in cardiovascular events and mortality.
Research on the centre of planets provides deeper insight into controlled thermonuclear fusion and improves models of Jupiter and Saturn. The study reveals that extreme matter behaves like a charged liquid at smaller distances but acts more like a gas over larger lengths.
Researchers used NASA's Thunderhead supercomputer to simulate dusty disks around sunlike stars, finding that planets as small as Mars can create detectable ring structures. The models provide a way to infer a planet's mass and orbital distance based on dust particle simulations.
A two-hour observation using Multi-Conjugate Adaptive Optics (MCAO) system revealed changes in Jupiter's smog-like haze over the past three years, likely due to a planet-wide upheaval. The images show a major alteration in the brightness of the equatorial haze, indicating an increase in haze or its movement to higher altitudes.
Researchers analyzed oxygen isotope compositions of comet Wild 2's halo crystals, finding signatures similar to asteroids and the sun. This suggests heat-processed particles were transported outward in the young solar system, complicating theories on its early history.
Research reveals cosmic dust originates from Koronis asteroids, with analysis matching mineralogy and chemistry to chondrite meteorite samples. The study provides new insights into the earliest history of our solar system.
Researchers at UC Berkeley and University College London discovered that metallic helium is produced under extreme conditions found at the centers of Jupiter and Saturn, mixing with metal hydrogen to form a liquid metal alloy. This finding challenges previous theories about the energy source powering these planets.
A team of European astronomers has discovered a triple system of super-Earths around the star HD 40307 using the HARPS instrument. The planets have masses between 4.2 and 9.4 times that of Earth, and orbit the star with periods ranging from 4.3 to 20.4 days.
Researchers have determined the masses of the coldest class of brown dwarfs for the first time outside the solar system. The team used ultrasharp images from the Keck Telescope and Hubble Space Telescope to measure the sizes and durations of binary systems, revealing two new brown dwarf binaries with masses as low as 6% of the sun's mass.
Astronomers capture high-resolution images of Jupiter's turbulent atmosphere using NASA's Hubble Space Telescope and the W. M. Keck Observatory. The images reveal increased changes in the planet's atmosphere, including a color change from white to red near the Great Red Spot.
A team of scientists from Johns Hopkins University used data from NASA's New Horizons spacecraft and multiple telescopes to observe the high winds in Jupiter's Little Red Spot. The winds have increased substantially over previous storms, with maximum speeds reaching 384 miles per hour, surpassing Category 5 storm thresholds.
Researchers mapped large arc-shaped depressions on Jupiter's moon Europa, indicating a shift of 80° in its rotational axis. The findings suggest the presence of an internal liquid ocean, which could support life, and provide independent evidence for this possibility.
Researchers from the University of Maryland and Max-Planck Institute found that Jupiter's outermost ring is extended beyond Thebe's orbit due to dust particles' electric charges interacting with the planet's magnetic field. This phenomenon affects any planet's rings, shedding light on planetary formation.
An international team of astronomers has found 10 new 'extra solar' planets using a robotic camera technique that will revolutionize scientific understanding of how planets form. The newly discovered planets have masses between half the size of Jupiter to eight times its size, including exotic worlds with extremely close orbits.
Researchers at Rice University discovered that tiny carbon capsules called buckyballs can hold up to 8% of their weight in hydrogen, surpassing the federal target of 6%. This breakthrough could lead to more efficient storage and use of hydrogen in fuel cells and cars.
Researchers have found unexpected luminous spots on Jupiter's atmosphere caused by the moon Io's volcanic eruptions. The discovery challenges previous models of the Io footprint and reveals a new interpretation where beams of electrons travel from one hemisphere to another.
Researchers have found evidence of small, sandy particles orbiting a newborn solar system at a distance similar to the Earth's orbit around the sun. The discovery sheds light on how Earth-like planets may form and offers new opportunities for studying the chemical composition of these particles.
Researchers at the University of Rochester found that planets or low-mass stars orbiting dying stars create breathtaking objects in the sky. The study explores how these companions shape planetary nebulae through spiral waves and magnetic fields, producing striking shapes like the Dumbbell Nebula.
A new discovery at Jupiter could help protect Earth-orbiting satellites by understanding how electrons are accelerated within the planet's magnetic field. The research found that very low frequency radio waves can accelerate electrons up to high energies inside Jupiter's magnetic field, similar to the way they do on Earth.
Scientists have shed light on Enceladus' space enigma by explaining the dynamics of its erupting plume. The new theory suggests that dust particles and water vapor form below the moon's surface, with temperature and pressure conditions allowing for rapid water vapor eruption and slower dust particle ejection.
An international team of astronomers has discovered two planets resembling smaller versions of Jupiter and Saturn in a solar system nearly 5,000 light years away. The newly-discovered planets appear to be gaseous planets with masses similar to those of the giant planets in our own solar system.
Astronomers have discovered a solar system nearly 5,000 light years away with scaled-down versions of Jupiter and Saturn. The planets are similar in size to our own, suggesting that planetary systems like ours may be more common than previously thought.
The discovery of the double planet system provides crucial evidence for the presence of multiple planet systems similar to our own solar system. The findings suggest that if OGLE-2006-BLG-109L is typical, it is possible that other systems have Jupiter- and Saturn-sized planets.
A new system of planets has been discovered with striking similarities to our Solar System, revealing giant planets that favour family groups over lone objects. The discovery uses a world-wide net of telescopes and challenges the single-life theory of gas-giant planets.
Researchers have discovered a multi-planet system with two large planets similar to Jupiter and Saturn, suggesting that planetary systems like our own may be common in the Milky Way galaxy. This is the first discovery of its kind, using a new gravitational microlensing technique.
The Operation Jupiter collaboration highlights the growing threat of fake pharmaceuticals, particularly in South-East Asia and Africa. Researchers found that counterfeit artesunate tablets contained no active ingredients or dangerously small amounts, contributing to malaria parasite resistance.